From 4d4e58de32a192fea65ab84509d17d199bd291c8 Mon Sep 17 00:00:00 2001 From: Russell King - ARM Linux Date: Tue, 6 Mar 2012 22:34:06 +0000 Subject: dmaengine: move last completed cookie into generic dma_chan structure Every DMA engine implementation declares a last completed dma cookie in their private dma channel structures. This is pointless, and forces driver specific code. Move this out into the common dma_chan structure. Signed-off-by: Russell King Tested-by: Linus Walleij Reviewed-by: Linus Walleij Acked-by: Jassi Brar [imx-sdma.c & mxs-dma.c] Tested-by: Shawn Guo Signed-off-by: Vinod Koul --- drivers/dma/imx-sdma.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'drivers/dma/imx-sdma.c') diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index bf736ad679ca..49aa4e876645 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -267,7 +267,6 @@ struct sdma_channel { struct dma_chan chan; spinlock_t lock; struct dma_async_tx_descriptor desc; - dma_cookie_t last_completed; enum dma_status status; unsigned int chn_count; unsigned int chn_real_count; @@ -529,7 +528,7 @@ static void mxc_sdma_handle_channel_normal(struct sdma_channel *sdmac) else sdmac->status = DMA_SUCCESS; - sdmac->last_completed = sdmac->desc.cookie; + sdmac->chan.completed_cookie = sdmac->desc.cookie; if (sdmac->desc.callback) sdmac->desc.callback(sdmac->desc.callback_param); } @@ -1127,7 +1126,7 @@ static enum dma_status sdma_tx_status(struct dma_chan *chan, last_used = chan->cookie; - dma_set_tx_state(txstate, sdmac->last_completed, last_used, + dma_set_tx_state(txstate, chan->completed_cookie, last_used, sdmac->chn_count - sdmac->chn_real_count); return sdmac->status; -- cgit v1.2.3